Isabel, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Isabel, IL in one place.
Showers and thunderstorms likely before 2am, then a chance of showers and thunderstorms between 2am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southwest wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Local Weather Overview
This forecast page for Isabel, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 9, 2026 2:10 AM CDT.
The active forecast window currently covers Jun 9 to Jun 15, 2026 for Isabel, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 15, 2026
- Latest sync
- Jun 9, 2026 2:10 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Isabel
Wednesday looks like the warmest upcoming period in Isabel at 91 degrees F.
Sunday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Thursday at about 12 to 20 mph SSW.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 9, 2026 2:10 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind 7 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms between 1am and 4am. Partly cloudy, with a low around 72. Southwest wind 5 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 91. South southwest wind 9 to 16 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 73. South southwest wind 12 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. South southwest wind 12 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. West southwest wind 9 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Mostly clear, with a low around 62.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 87.
A chance of showers and thunderstorms. Partly cloudy, with a low around 64.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83.
A chance of showers and thunderstorms. Partly cloudy, with a low around 60.
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jun 9
|
Showers And Thunderstorms Likely
|
67°F |
8 mph
SSW
|
|
Tuesday
Jun 9
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
88°F |
7 to 10 mph
SW
|
|
Tuesday Night
Jun 9
|
Chance Showers And Thunderstorms
|
72°F |
5 to 8 mph
SW
|
|
Wednesday
Jun 10
|
Mostly Sunny
|
91°F |
9 to 16 mph
SSW
|
|
Wednesday Night
Jun 10
|
Chance Showers And Thunderstorms
|
73°F |
12 to 15 mph
SSW
|
|
Thursday
Jun 11
|
Chance Showers And Thunderstorms
|
90°F |
12 to 20 mph
SSW
|
|
Thursday Night
Jun 11
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
68°F |
9 to 18 mph
WSW
|
|
Friday
Jun 12
|
Chance Showers And Thunderstorms then Mostly Sunny
|
84°F |
7 to 10 mph
WNW
|
|
Friday Night
Jun 12
|
Mostly Clear
|
62°F |
2 to 7 mph
W
|
|
Saturday
Jun 13
|
Sunny then Slight Chance Showers And Thunderstorms
|
87°F |
3 to 9 mph
SW
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
64°F |
6 mph
WSW
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
83°F |
6 to 10 mph
NNW
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
60°F |
5 to 9 mph
NNE
|
|
Monday
Jun 15
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
80°F |
7 to 10 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Isabel.